5-154
5-11 Sensorless Vector Control
SYSDRIVE MX2 Series USER'S MANUAL (3G3MX2-A@@@@)
5
Functions
When "00: Four-quadrant separate setting" is selected in Torque Limit Selection (b040),
Torque Limits 1 to 4 (b041 to b044) conform to the figure below.
When "01: Terminal switching" is selected in Torque Limit Selection (b040), Torque Limits 1 to
4 (b041 to b044), which are switched by Torque Limit Switchings 1, 2 allocated to multi-function
input terminals, are set as follows.
Example) Torque limit switching 1 (41: TRQ1) is allocated to multi-function input terminal S6,
and Torque limit switching 2 (42: TRQ2) is allocated to multi-function input terminal
S7/EB.
To use the torque limit function in a low-speed range, also use Overload Limit Selection (b021/
b221/b024).
Parameter
No.
Function name Data
Default
setting
Unit
b040
Torque Limit
Selection
00: Four-quadrant separate setting
00 −
01: Terminal switching
02: Analog voltage input
03: Optional board
b041
Torque Limit 1
(Four-quadrant Mode
Forward Power Running)
0 to 200/no (Disabled)
Forward power running under four-
quadrant separate setting
200. %
b042
Torque Limit 2
(Four-quadrant Mode
Reverse Regeneration)
0 to 200/no (Disabled)
Reverse regeneration under four-
quadrant separate setting
200. %
b043
Torque Limit 3
(Four-quadrant Mode
Reverse Power Running)
0 to 200/no (Disabled)
Reverse power running under four-
quadrant separate setting
200. %
b044
Torque Limit 4
(Four-quadrant Mode
Forward Regeneration)
0 to 200/no (Disabled)
Forward regeneration under four-
quadrant separate setting
200. %
C001 to
C007
Multi-function
Input Selection
40: TL (Torque limit enabled/disabled)
−−41: TRQ1 (Torque limit switching 1)
42: TRQ2 (Torque limit switching 2)
C021 to
C022
Multi-function Output
Terminal Selection
10: TRQ (During Torque limit) −−
C026
Multi-function Relay
Output Function Selection
Reverse
(RV)
Forward
(FW)
Torque
Regeneration
b042
Power running direction
b041
Power running direction
b043
Regeneration
b044
S6S7
4142
SC
41:TRQ1 42:TRQ2
OFF
ON
OFF
ON
OFF
OFF
ON
ON
b041
b042
b044
b043
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